Question 61If 2A7 - A - 33- then find the value of A-

A × 33=2A7 We observe that A × 3 nbsp; can never be a single digit number 2, so A × 3 must be a two digit number, whose ten's digit is 2 and unit's digit is t ...

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Standard VIII

Mathematics

Letters for Digits

Question 61If...

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Question 61

If 2A7 $\div$ A = 33, then find the value of A.

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Solution

A $\times$ 33=2A7
We observe that A $\times$ 3 can never be a single digit number 2, so
A $\times$ 3 must be a two-digit number, whose ten's digit is 2 and unit's digit is the number less than or equal to A,
Therefore, the value of A can be 9, as the values of A from 1 to 8 do not fit.

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Letters for Digits

Standard VIII Mathematics

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Question 61 If 2A7 ÷ A = 33, then find the value of A.

A × 33=2A7 We observe that A × 3 can never be a single digit number 2, so A × 3 must be a two-digit number, whose ten's digit is 2 and unit's digit is the number less than or equal to A, Therefore, the value of A can be 9, as the values of A from 1 to 8 do not fit.

Question 61

If 2A7 $\div$ A = 33, then find the value of A.

A $\times$ 33=2A7
We observe that A $\times$ 3 can never be a single digit number 2, so
A $\times$ 3 must be a two-digit number, whose ten's digit is 2 and unit's digit is the number less than or equal to A,
Therefore, the value of A can be 9, as the values of A from 1 to 8 do not fit.